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Quantization Noise Shaping on Arbitrary Frame Expansions

Abstract

Quantization noise shaping is commonly used in oversampled A/D and D/A converters with uniform sampling. This paper considers quantization noise shaping for arbitrary finite frame expansions based on generalizing the view of first-order classical oversampled noise shaping as a compensation of the quantization error through projections. Two levels of generalization are developed, one a special case of the other, and two different cost models are proposed to evaluate the quantizer structures. Within our framework, the synthesis frame vectors are assumed given, and the computational complexity is in the initial determination of frame vector ordering, carried out off-line as part of the quantizer design. We consider the extension of the results to infinite shift-invariant frames and consider in particular filtering and oversampled filter banks.

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Correspondence to Petros T. Boufounos.

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Boufounos, P.T., Oppenheim, A.V. Quantization Noise Shaping on Arbitrary Frame Expansions. EURASIP J. Adv. Signal Process. 2006, 053807 (2006). https://doi.org/10.1155/ASP/2006/53807

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Keywords

  • Information Technology
  • Computational Complexity
  • Quantum Information
  • Cost Model
  • Filter Bank